Guide for dry-type-gas-meter valves



E. S. DICKEY.

GUIDE FOR DRY TYPE GAS METER VALVES.

APPLICATION FILED lUNE 28. I918.

1,306,220. Patentedlune 10,1919.

UNITED s'rA'r s gr ivr oEEioE.

EDMUND s. DIGKEY, 0E BALTIMORE COUNTY, MARYLAND, ASSIGNOR T0 AMERICAN 1 y ETE COMPANY, INC., 0E NEW YORK, n. Y., A oonromrrron OF DELAWARE.

' GUIDE FOR nRY-rYrE-ens-METEE vAnvEs.

To all whom it may concern;

Be it known that I, EDMUND S. DICKEY, a citizen of the United States, residing at Baltimore county, and State of Maryland, have invented certain new and useful Improvements in Guides for Dry-Type-Gas-Meter Valves, of which the following is a specifi-l cation.

This invention relates to improvements in guides for valves of dry-type gas meters.

One objectof the invention is to provide a guide that will-insure accurate reciprocatory sliding movementofthe valve coveron-its seat and to provide a construction, due to which the valve cover will be guided, with the least possible lateral or side motionand, at the same time, with the least amount of friction in the operation or movement of the guiding parts. Also, to provide a construction, due to which the valve cover eanfbe readily lifted from its seat without the necessity of any considerable sliding movement of the cover beyond that incident to its normal sliding movement in operation.

It is important in constructing dry-type meters, that space within the casing be economized to the fullest extent so that the unit itself may be reduced in size as much as possible in proportion to the capacity of the meter. With the guide about to be described, the valve cover may be put in place by virtually dropping it upon its seat and without the necessity, as in other types of guides, for moving the valve cover to a position where theguides carried byithe cover are being brought in position to clear the guide eyes or brackets at the ends of the valve seat, thus economizing space and adding to the convenience of assembling the parts in the first instance, and, due to the peculiar construction and serrated edges of the guide about to be described, obtaining ease in operation for repairs and cleaning on same.

In the drawings illustrating the invention:

Figure 1 is a top plan view of the valve of large capacity, constructed in accordance with my invention, showing the valve cover in central position, or in the position in which the ports in the valve seats are closed.

Fig. 2 is a similar view of oneside of the valve, with the cover in one extreme position, or the position in which some of the Specification of Letters Patent. I Patented June 10, 1919,

Application filed .Tune 2a, 1918. Serial No. 242,426.

ports in the valve seat are open, there being also shown indottedlines in this view, the position of the valve cover in which it can be lifted from its seat. 7

- Fig. 3 is a cross section of the valve, taken on line a-a of Fig. 1.

Referring to the drawing, thenumeral 1 designates a portion of a valve table, such as is commonly employed in meters of this type. The numeral 2 designates the valve seat, which is provided with inlet and outlet ports, and since the construction of the valve seat is unimportant in this application, it need not be particularly described with reference to the diaphragm,casing and outlet ports. The valve seat is like that show-n and described in my application Serial Number 223,577, filed March 27, 1918, and is. provided with side bars 3 and front and rear bars 4, and central bar 5.

The numeral 6 designatesthe valve cover, with which, in carrying out my invention, I provide two ears or brackets 7, at each side of the cover, or four in all, the brackets being of angular formation as shown best in Fig. 8, and each bracket is provided with a ledge 8 whose outer faces are preferably serrated as indicated at 9, to reduce friction and make the valve cover in its cooperation with the guide bars, selfcleaning. These brackets are held in positionand guided in their movement by two side guide bars 10, so that the side thrust or lateral movement of the valve cover, due to the side pull or side thrust of'the valve arm, willbe practically eliminated, there being provided only suflicient play or lateral motion between the angular brackets and guide bars to prevent friction or binding in the movement of the brackets against the guides.

The numeral 10 deslgnates two guide bars which are firmly secured to the valve table, parallel with the sides of the valve seat and each bar is provided with a laterally extending flange 11, which overlies the ledges of the brackets, carried by the valve cover. The flange is recessed centrally as indicated at 12, the recess being slightly wider than the brackets 7, so that thebrackets may pass through the recess in placing the valve cover upon its seat, or removing the same.

It will be noted that the positions of the brackets on the valve cover are such that, under the side thrust or lateral movement of the cover and owing to the serrated edge of the brackets, a very small bearing surface is provided thus decreasing friction but allowing and providing for any possible 1 wear at contact points in the movement of the brackets against the guide bars.

It will be noted that the'positions of the of movement of the valve cover, thatin normal operation of the valve, the brackets will neverbe free of, or from under, the overlying flange of the bars, but when the valve arm is disconnected and it is desired to re move the valve cover, it is only necessary to give to the cover, a short movement in either direction, slightly in excess of that equal to its normal movement, when a bracket 011 each side of the cover will clear the end of the side guide bar 10, and the other two will register with the recesses 12 in the side guide bars, when the cover'can be lifted off or seated, as the exigencies of the case may require.

Having thus described my invention, what I claim is: c

1. A valve guide of the character described, comprising a valve cover provided with extensions on each side thereof, a suitably supported guide bar at each side of the coverand having aportion overlying theextensions on the cover, the overlying portions'of the guide bars being provided with open sided recesses for the passage of Copies of this patent may beobtained for five cents each, by addressing the Washington, D. 0.

side of the cover, to facilitate the removal of the cover from its seat.

3. A valve guide of l)l1(5.' character de-. scribed, comprlsinga valve cover, provided at eachrside and near the ends thereof with two downwardly extending brackets, each bracket provided with a laterally extending ledge, a guide bar adjacent each side of the cover and having a portion overlying the ledges of the brackets,'the overlyingportion of each bar being provided with an open sided recess for the passage'of the brackets in removing from, or seating the valve upon itsseat. i

4. A valve guide of the character described, comprising a valve cover having two brackets on each side thereof and adja cent the ends of the cover, each bracket being provided with a serrated edge, and a suitably supported guide bar at each side of the valve cover, and provided with a flange overlying the brackets, the overlying portion of each bar being provided with an open topped recess, for the passage of a bracket on each side of the cover, to faci-litate the removal of the cover from its seat. 1

In testimony whereof I affix my signature in presence of two witnesses.

EDMUND S. DIOKIL'Y.

Witnesses:

AUGUSTUS W. BRADFORD, v HENRY L. DUVALL.

Commissioner of Patents, 

